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Annotation of embedaddon/php/ext/zip/lib/zip_get_file_comment.c, revision 1.1.1.2

1.1       misho       1: /*
                      2:   zip_get_file_comment.c -- get file comment
                      3:   Copyright (C) 2006-2007 Dieter Baron and Thomas Klausner
                      4: 
                      5:   This file is part of libzip, a library to manipulate ZIP archives.
                      6:   The authors can be contacted at <libzip@nih.at>
                      7: 
                      8:   Redistribution and use in source and binary forms, with or without
                      9:   modification, are permitted provided that the following conditions
                     10:   are met:
                     11:   1. Redistributions of source code must retain the above copyright
                     12:      notice, this list of conditions and the following disclaimer.
                     13:   2. Redistributions in binary form must reproduce the above copyright
                     14:      notice, this list of conditions and the following disclaimer in
                     15:      the documentation and/or other materials provided with the
                     16:      distribution.
                     17:   3. The names of the authors may not be used to endorse or promote
                     18:      products derived from this software without specific prior
                     19:      written permission.
                     20:  
                     21:   THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
                     22:   OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     23:   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
                     25:   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
                     27:   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     28:   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
                     29:   IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
                     30:   OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
                     31:   IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     32: */
                     33: 
                     34: 
                     35: 
                     36: #include "zipint.h"
                     37: 
                     38: 
                     39: 
                     40: ZIP_EXTERN(const char *)
1.1.1.2 ! misho      41: zip_get_file_comment(struct zip *za, zip_uint64_t idx, int *lenp, int flags)
1.1       misho      42: {
1.1.1.2 ! misho      43:     if (idx >= za->nentry) {
1.1       misho      44:        _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
                     45:        return NULL;
                     46:     }
                     47: 
                     48:     if ((flags & ZIP_FL_UNCHANGED)
                     49:        || (za->entry[idx].ch_comment_len == -1)) {
                     50:        if (lenp != NULL)
                     51:            *lenp = za->cdir->entry[idx].comment_len;
                     52:        return za->cdir->entry[idx].comment;
                     53:     }
                     54:     
                     55:     if (lenp != NULL)
                     56:        *lenp = za->entry[idx].ch_comment_len;
                     57:     return za->entry[idx].ch_comment;
                     58: }